use the molar volume of a gas at STP to calculate the density of nitrogen gas at STP. How do I use the molar volume?

Below is the equation for the formation of hydrofluoric acid: H2 (g) + F2 (g) ←→ 2 HF (g) + 546kJ What type of reaction does this equation represent?

Is the reaction of sodium bicarbonate with hydrochloric acid endothermic or exothermic?

I have two shells joined with a hinge, and I use a siphon to filter water to feed myself. To which group of animals do I belong?

A gas mixture contains rn, he and n2. what is the total pressure of the mixture, if the mole fraction of n2 is 0.350 and the pressure of n2 is 0.580 atm?

A weather forecast shows 35 m/h on the weather map. Which weather component does this number represent? A. Humidity B. Precipitation C. Wind direction D. Wind speed

Explain how you figure out the number of neutrons in Tellurium-128.

Water has a density of 1g/ml. what is the mass of the water if it fills a 10ml container?

The diameter of a carbon atom is approximately 144 pm. Assuming a nanocontainer has a simple cubic structure and have an edge length of 25 nanometers, how many carbon atoms are there on a single edge of a nanocontainer?

How can molecules with polar bonds be nonpolar?

what would the total pressure of a mixture of fluorine, chlorine, and bromine gases be if the partial pressure are 2.20 atm, 6.70 atm, 0.03 atm respectively